Hey what number screwdriver bits are best for 10mm diameter screws? Is it pz2 or pz3 also are the ph2 ones better for most screws? Thanks if anyone can explain.
If the screw is a PZ2 then you use a PZ2 bit. 10mm (are you sure?) will be PZ3 if not a bolt head. philips are different bits and allow the bit to slip out under torque. Use the correct bit for the screw you're driving.
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